Installing
1
– Use STIHL press fluid to simplify
assembly, b 12
: Push the rubber mounts (1) fully
onto the stubs (arrows).
1
2
– Use STIHL press fluid to simplify
assembly, b 12
: Push the fuel tank (1) with rubber
mounts (2) into the bores
(arrows) in the crankcase until
seated.
Series 4149 Powerhead
1
3
– Use STIHL press fluid to make
installation easier, b 12
: Fit the elbow connector (1) with
fuel suction hose (3) under the
tank vent hose.
: Push the elbow connector (1)
into the fuel suction hose (2) so
that fuel suction hose (3) locates
2
in the recess (arrow)
– the elbow connector (1) must
be pushed fully into the fuel
suction hose (2).
– Use STIHL press fluid to make
installation easier, b 12
: Push the tank vent hose (1) onto
the nipple (arrow) on the filter
housing – the tank vent hose (1)
must be positioned above the fuel
suction hose.
1
2
– Use STIHL press fluid to simplify
: Push the fuel return hose (1) fully
– Reassemble all other parts in the
10.9.2 Fuel tank
: Squeeze locking tabs (arrows)
1
– Remove manual fuel pump with
1
assembly, b 12
into the bore (arrow).
reverse sequence.
Replacing
1
under the retainer (1) together
and push out the manual fuel
pump (2).
fuel hoses.
2
87